/****************************************************************************

**

** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

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** Contact: Nokia Corporation (qt-info@nokia.com)

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** This file is part of the Qt Designer of the Qt Toolkit.

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** contained in the Technology Preview License Agreement accompanying

** this package.

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** General Public License version 2.1 as published by the Free Software

** Foundation and appearing in the file LICENSE.LGPL included in the

** packaging of this file.  Please review the following information to

** ensure the GNU Lesser General Public License version 2.1 requirements

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****************************************************************************/

#include "shared_settings_p.h"

#include "grid_p.h"

#include "previewmanager_p.h"

#include "qdesigner_utils_p.h"

#include <QtDesigner/abstractformeditor.h>

#include <QtDesigner/private/abstractsettings_p.h>

#include <QtCore/QStringList>

#include <QtCore/QDir>

#include <QtCore/QVariantMap>

#include <QtCore/QCoreApplication>

#include <QtCore/QSize>

QT_BEGIN_NAMESPACE

static const char *designerPath = "/.designer";

static const char *defaultGridKey = "defaultGrid";

static const char *previewKey = "Preview";

static const char *enabledKey = "Enabled";

static const char *userDeviceSkinsKey= "UserDeviceSkins";

static const char *zoomKey = "zoom";

static const char *zoomEnabledKey = "zoomEnabled";

static const char *deviceProfileIndexKey = "DeviceProfileIndex";

static const char *deviceProfilesKey = "DeviceProfiles";

static const char *formTemplatePathsKey = "FormTemplatePaths";

static const char *formTemplateKey = "FormTemplate";

static const char *newFormSizeKey = "NewFormSize";

using namespace qdesigner_internal;

static bool checkTemplatePath(const QString &path, bool create)

{

    QDir current(QDir::current());

    if (current.exists(path))

        return true;

    if (!create)

        return false;

    if (current.mkpath(path))

        return true;

    qdesigner_internal::designerWarning(QCoreApplication::translate("QDesignerSharedSettings", "The template path %1 could not be created.").arg(path));

    return false;

}

namespace qdesigner_internal {

QDesignerSharedSettings::QDesignerSharedSettings(QDesignerFormEditorInterface *core)

        : m_settings(core->settingsManager())

{

}

Grid QDesignerSharedSettings::defaultGrid() const

{

    Grid grid;

    const QVariantMap defaultGridMap

            = m_settings->value(QLatin1String(defaultGridKey), QVariantMap()).toMap();

    if (!defaultGridMap.empty())

        grid.fromVariantMap(defaultGridMap);

    return grid;

}

void QDesignerSharedSettings::setDefaultGrid(const Grid &grid)

{

    m_settings->setValue(QLatin1String(defaultGridKey), grid.toVariantMap());

}

const QStringList &QDesignerSharedSettings::defaultFormTemplatePaths()

{

    static QStringList rc;

    if (rc.empty()) {

        // Ensure default form template paths

        const QString templatePath = QLatin1String("/templates");

        // home

        QString path = QDir::homePath();

        path += QLatin1String(designerPath);

        path += templatePath;

        if (checkTemplatePath(path, true))

            rc += path;

        // designer/bin: Might be owned by root in some installations, do not force it.

        path = qApp->applicationDirPath();

        path += templatePath;

        if (checkTemplatePath(path, false))

            rc += path;

    }

    return rc;

}

QStringList QDesignerSharedSettings::formTemplatePaths() const

{

    return m_settings->value(QLatin1String(formTemplatePathsKey),

                            defaultFormTemplatePaths()).toStringList();

}

void QDesignerSharedSettings::setFormTemplatePaths(const QStringList &paths)

{

    m_settings->setValue(QLatin1String(formTemplatePathsKey), paths);

}

QString  QDesignerSharedSettings::formTemplate() const

{

    return m_settings->value(QLatin1String(formTemplateKey)).toString();

}

void QDesignerSharedSettings::setFormTemplate(const QString &t)

{

    m_settings->setValue(QLatin1String(formTemplateKey), t);

}

void QDesignerSharedSettings::setAdditionalFormTemplatePaths(const QStringList &additionalPaths)

{

    // merge template paths

    QStringList templatePaths = defaultFormTemplatePaths();

    templatePaths += additionalPaths;

    setFormTemplatePaths(templatePaths);

}

QStringList QDesignerSharedSettings::additionalFormTemplatePaths() const

{

    // get template paths excluding internal ones

    QStringList rc = formTemplatePaths();

    foreach (QString internalTemplatePath, defaultFormTemplatePaths()) {

        const int index = rc.indexOf(internalTemplatePath);

        if (index != -1)

            rc.removeAt(index);

    }

    return rc;

}

QSize QDesignerSharedSettings::newFormSize() const

{

    return m_settings->value(QLatin1String(newFormSizeKey), QSize(0, 0)).toSize();

}

void  QDesignerSharedSettings::setNewFormSize(const QSize &s)

{

    if (s.isNull()) {

        m_settings->remove(QLatin1String(newFormSizeKey));

    } else {

        m_settings->setValue(QLatin1String(newFormSizeKey), s);

    }

}

PreviewConfiguration QDesignerSharedSettings::customPreviewConfiguration() const

{

    PreviewConfiguration configuration;

    configuration.fromSettings(QLatin1String(previewKey), m_settings);

    return configuration;

}

void QDesignerSharedSettings::setCustomPreviewConfiguration(const PreviewConfiguration &configuration)

{

    configuration.toSettings(QLatin1String(previewKey), m_settings);

}

bool QDesignerSharedSettings::isCustomPreviewConfigurationEnabled() const

{

    m_settings->beginGroup(QLatin1String(previewKey));

    bool isEnabled = m_settings->value(QLatin1String(enabledKey), false).toBool();

    m_settings->endGroup();

    return isEnabled;

}

void QDesignerSharedSettings::setCustomPreviewConfigurationEnabled(bool enabled)

{

    m_settings->beginGroup(QLatin1String(previewKey));

    m_settings->setValue(QLatin1String(enabledKey), enabled);

    m_settings->endGroup();

}

QStringList QDesignerSharedSettings::userDeviceSkins() const

{

    m_settings->beginGroup(QLatin1String(previewKey));

    QStringList userDeviceSkins

            = m_settings->value(QLatin1String(userDeviceSkinsKey), QStringList()).toStringList();

    m_settings->endGroup();

    return userDeviceSkins;

}

void QDesignerSharedSettings::setUserDeviceSkins(const QStringList &userDeviceSkins)

{

    m_settings->beginGroup(QLatin1String(previewKey));

    m_settings->setValue(QLatin1String(userDeviceSkinsKey), userDeviceSkins);

    m_settings->endGroup();

}

int QDesignerSharedSettings::zoom() const

{

    return m_settings->value(QLatin1String(zoomKey), 100).toInt();

}

void QDesignerSharedSettings::setZoom(int z)

{

    m_settings->setValue(QLatin1String(zoomKey), QVariant(z));

}

bool QDesignerSharedSettings::zoomEnabled() const

{

    return m_settings->value(QLatin1String(zoomEnabledKey), false).toBool();

}

void QDesignerSharedSettings::setZoomEnabled(bool v)

{

     m_settings->setValue(QLatin1String(zoomEnabledKey), v);

}

DeviceProfile QDesignerSharedSettings::currentDeviceProfile() const

{

    return deviceProfileAt(currentDeviceProfileIndex());

}

void QDesignerSharedSettings::setCurrentDeviceProfileIndex(int i)

{

    m_settings->setValue(QLatin1String(deviceProfileIndexKey), i);

}

int QDesignerSharedSettings::currentDeviceProfileIndex() const

{

     return m_settings->value(QLatin1String(deviceProfileIndexKey), -1).toInt();

}

static inline QString msgWarnDeviceProfileXml(const QString &msg)

{

    return QCoreApplication::translate("QDesignerSharedSettings", "An error has been encountered while parsing device profile XML: %1").arg(msg);

}

DeviceProfile QDesignerSharedSettings::deviceProfileAt(int idx) const

{

    DeviceProfile rc;

    if (idx < 0)

        return rc;

    const QStringList xmls = deviceProfileXml();

    if (idx >= xmls.size())

        return rc;

    QString errorMessage;

    if (!rc.fromXml(xmls.at(idx), &errorMessage)) {

        rc.clear();

        designerWarning(msgWarnDeviceProfileXml(errorMessage));

    }

    return rc;

}

QStringList QDesignerSharedSettings::deviceProfileXml() const

{

    return m_settings->value(QLatin1String(deviceProfilesKey), QStringList()).toStringList();

}

QDesignerSharedSettings::DeviceProfileList QDesignerSharedSettings::deviceProfiles() const

{

    DeviceProfileList rc;

    const QStringList xmls = deviceProfileXml();

    if (xmls.empty())

        return rc;

    // De-serialize

    QString errorMessage;

    DeviceProfile dp;

    const QStringList::const_iterator scend = xmls.constEnd();

    for (QStringList::const_iterator it = xmls.constBegin(); it != scend; ++it) {

        if (dp.fromXml(*it, &errorMessage)) {

            rc.push_back(dp);

        } else {

            designerWarning(msgWarnDeviceProfileXml(errorMessage));

        }

    }

    return rc;

}

void QDesignerSharedSettings::setDeviceProfiles(const DeviceProfileList &dp)

{

    QStringList l;

    const DeviceProfileList::const_iterator dcend = dp.constEnd();

    for (DeviceProfileList::const_iterator it = dp.constBegin(); it != dcend; ++it)

        l.push_back(it->toXml());

    m_settings->setValue(QLatin1String(deviceProfilesKey), l);

}

}

QT_END_NAMESPACE